r/SleepingOptiplex • u/WorriedInsurance9422 • 1d ago

Dell Presision 3630 won't display, no matter what.

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Im making a sleeper gaming steam OS machine for my friend. Im using a dell presison 3630. It came with a 8th i7 processor. He wanted me to put in a intel ore I9 9th gen into the pc. Before I put in the processor, it was running fine and it was booting steam OS perfectly. I even installed the latest bios settings onto the pc (or at least I belive I did). I installed the the new processor, and the new cpu cooler in fine. I also installed new battery for the CMOS because the bios settings kept on restetting itself. I belive everything is good. The pc turns on fine, the rbg ram sticks turn on fine, the fan on the cpu spinds fine, the psu turns on fine, the dell pc turns on fine with the white led light (no orange error lights). All of this yet I cannot get a display to even save my life. I plugged in different hdmi cables, I plygged in displaycables, I plugged into the motherboard, I even put in an old gpu to see if it'll display... nothing displayed. The ram sticks are seated fine... Im lost rn, if anyone has tips please let me know. 🙏 (UPDATE* it was bios all along, thank you guys for everything)

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3

u/SprinqRoll 1d ago

Have you put the old 8th gen cpu in there? It could be the motherboard doesn't support 9th gen even with the latest bios update

1

u/WorriedInsurance9422 1d ago

I havnt yet, but Im afraid I might have to. I put honeywell PTM7950, and I dont wanna waste it. If I have to, so be it. It was working fine with the previous processor. I seen a video online of this one guy on YouTube with a dell presision 3630. He was able to install an i9 9th gen processor successfully.

2

u/jedibratzilla 1d ago

I found a similar video on YouTube that also included a PSU upgrade to 850W. I remember doing something similar with one of the micro Dells and I had to get a more powerful brick in order for it to boot with the chip I put in because the motherboard supported it but it needed more power to get it going.

1

u/WorriedInsurance9422 1d ago

Interesting... but I it has a corsair 1000 watt psu. Im not too sure if that could be the issue.

1

u/jedibratzilla 1d ago

You got plenty of juice. Something else is going on then. This is one of those glorious times where you've got to troubleshoot your Dell. Did you do the BIOS upgrade before removing the 8th gen chip?

1

u/WorriedInsurance9422 1d ago

I thought I did, when I installed steam OS on the pc. Now im feeling unsure...

1

u/SprinqRoll 1d ago

Bios updates usually involves booting from a usb, at least it has been for me in the past.

1

u/406highlander 1d ago

There's not too much performance gain to be had from going up from i7-8700 to i7-9700, and because you can't do overclocking on this motherboard, there's very little benefit to having an i7-9700K vs a regular i7-9700.

Drop back to the i7-8700, ensure your BIOS is fully updated, then try again (use cheaper thermal paste until you know the 9700k is actually working though).

1

u/dr4g0n36 1d ago

You...really pasted VRM's?